| """ |
| Generates package naming variables for use with rules_pkg. |
| """ |
| |
| load("@rules_pkg//:providers.bzl", "PackageVariablesInfo") |
| load("@bazel_tools//tools/cpp:toolchain_utils.bzl", "find_cpp_toolchain") |
| load(":protobuf_version.bzl", "PROTOBUF_VERSION") |
| |
| def _package_naming_impl(ctx): |
| values = {} |
| values["version"] = PROTOBUF_VERSION |
| |
| # infer from the current cpp toolchain. |
| toolchain = find_cpp_toolchain(ctx) |
| values["cpu"] = toolchain.cpu |
| |
| return PackageVariablesInfo(values = values) |
| |
| |
| package_naming = rule( |
| implementation = _package_naming_impl, |
| attrs = { |
| # Necessary data dependency for find_cpp_toolchain. |
| "_cc_toolchain": attr.label(default = Label("@bazel_tools//tools/cpp:current_cc_toolchain")), |
| }, |
| toolchains = ["@bazel_tools//tools/cpp:toolchain_type"], |
| incompatible_use_toolchain_transition = True, |
| ) |
